package com.chao.gulimall.gateway.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsConfigurationSource;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;
import org.springframework.web.server.ServerWebExchange;

@Configuration
public class ChaoCorsConfiguration {

    /**
     * 属于 webflux   返回的是一个Mono
     * @return
     */
    @Bean
    public CorsWebFilter CorsWebFilter(){
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

        CorsConfiguration corsConfiguration = new CorsConfiguration();

        //1、跨域配置
        corsConfiguration.addAllowedHeader("*");//允许哪些头进行跨域
        corsConfiguration.addAllowedMethod("*");//允许哪些请求方式进行跨域：允许所有 get。。
        corsConfiguration.addAllowedOrigin("*");//允许哪些请求来源进行跨域

        corsConfiguration.setAllowCredentials(true);//set了啊  是否允许携带cookie进行跨域

        source.registerCorsConfiguration("/**", corsConfiguration);

        return new CorsWebFilter(source);
    }
}
